The two world leaders did briefly meet during the so-called APEC class photo, where all the heads of state come together to take a photo before the summit officially starts. Trump and Putin shook hands and had a briefly spoke before the photo was snapped, according to the CNN.

STEPANAKERT, NOVEMBER 11, ARTSAKHPRESS:The two leaders, both wearing an oversized, blue traditional-style Vietnamese shirt provided by the host country, stood next to one another for the picture.

Citing "scheduling conflicts on both sides," though, Sanders said no formal meeting will take place during the two-day gathering, but that an informal interaction between the two world leaders was likely to happen.

Sanders' statement contradicts what the Russian side told reporters for the last two days, adding to the drama around how Trump and Putin will interact at the international summit.